135885929524 has 48 divisors (see below), whose sum is σ = 259240156560. Its totient is φ = 62069719040.

The previous prime is 135885929519. The next prime is 135885929527. The reversal of 135885929524 is 425929588531.

It can be written as a sum of positive squares in 8 ways, for example, as 35865541924 + 100020387600 = 189382^2 + 316260^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135885929527) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 425532 + ... + 672940.

It is an arithmetic number, because the mean of its divisors is an integer number (5400836595).

Almost surely, 2^135885929524 is an apocalyptic number.

It is an amenable number.

135885929524 is a deficient number, since it is larger than the sum of its proper divisors (123354227036).

135885929524 is a wasteful number, since it uses less digits than its factorization.

135885929524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247668 (or 247666 counting only the distinct ones).

The product of its digits is 31104000, while the sum is 61.

The spelling of 135885929524 in words is "one hundred thirty-five billion, eight hundred eighty-five million, nine hundred twenty-nine thousand, five hundred twenty-four".